FULL AUTOMATICALLY (OR MANUAL INTERACTION NECESSARY FOR ADDING FRIENDS):
- Facebook (full automatically, but only on ROOTED phones and with the Official facebook or messenger app installed, you have to manually add your friends if you do not have root).

MANUAL INTERACTION NECESSARY:
- Hike (semi-automatically: contact pictures have to be downloaded in Hike manually, otherwise the app does not know about the contact, the rest is done by the app).

SETTING A PICTURE ONLY
- WhatsApp - only a manual process is supported.

FUNCTIONS:
The app automatically keeps phone contact pictures synchronised with pictures from social networks. A few settings are possible as well:
- Define when and how often an auto sync is started.
- Define which preconditions are necessray before starting an auto sync (like for example, that the auto sync should only be started if WIFI is available).
- Enable an image history and setup how many images should be remembered.
- Define the folder for the image history and for the folder mode.